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American Journal of Reproductive Immunology: AJRI

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https://www.readbyqxmd.com/read/29675846/vasoactive-intestinal-peptide-is-upregulated-in-women-with-endometriosis-and-chronic-pelvic-pain
#1
Vladimir Bourlev, Christian Moberg, Natalia Ilyasova, Eva Davey, Theodora Kunovac Kallak, Matts Olovsson
PROBLEM: Chronic pelvic pain (CPP) causes compromised the quality of life in women with endometriosis and is often attributed to local inflammation and ingrowth of nerve fibers. In this pilot study, we aimed to investigate whether the inflammation-related vasoactive intestinal peptide (VIP) and interleukin (IL)-6 were increased in affected patients. METHOD OF STUDY: Endometrial and endometriotic tissue biopsy specimens, and serum and peritoneal fluid (PF) samples, were obtained from 85 endometriosis patients and 53 controls...
April 19, 2018: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29672989/a-novel-model-to-study-neonatal-escherichia-coli-sepsis-and-the-effect-of-treatment-on-the-human-immune-system-using-humanized-mice
#2
Florian Schlieckau, Daniela Schulz, Sara Fill Malfertheiner, Kathrin Entleutner, Birgit Seelbach-Goebel, Wolfgang Ernst
PROBLEM: Neonatal sepsis is a serious threat especially for preterm infants. As existing in vitro and in vivo models have limitations, we generated a novel neonatal sepsis model using humanized mice and tested the effect of Betamethasone and Indomethacin which are used in the clinic in case of premature birth. METHOD OF STUDY: Humanized mice were infected with Escherichia coli (E. coli). Subsequently, the effect of the infection itself, and treatment with Betamethasone and Indomethacin on survival, recovery, bacterial burden, leukocyte populations, and cytokine production, was analyzed...
April 19, 2018: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29667291/prevalence-of-hhv-6-in-endometrium-from-women-with-recurrent-implantation-failure
#3
Carolyn B Coulam, Mahmood Bilal, Maria D Salazar Garcia, Dimantha Katukurundage, Haidy Elazzamy, Emilio F Fernandez, Joanne Kwak-Kim, Kenneth Beaman, Svetlana V Dambaeva
PROBLEM: To study the prevalence of HHV-6 in endometrial biopsies among women experiencing recurrent implantation failure (RIF) after IVF/ET compared with controls. METHOD OF STUDY: Thirty women experiencing RIF after IVF/ET and 10 fertile women participated in the study. All women had endometrial biopsies taken in the luteal phase of their menstrual cycle for an endometrial immune profile (EIP) and HHV-6 mRNA as well as lymphocyte and granulocyte populations. The prevalence of HHV-6 in endometrial biopsies was determined, and biopsies for positive and negative expression of HHV-6 were compared with the results of their EIP and lymphocyte and granulocyte populations...
April 17, 2018: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29663566/mir-27a-3p-and-mir-124-3p-upregulated-in-endometrium-and-serum-from-women-affected-by-chronic-endometritis-are-new-potential-molecular-markers-of-endometrial-receptivity
#4
Cinzia Di Pietro, Salvatore Caruso, Rosalia Battaglia, Marco Iraci Sareri, Alessandro La Ferlita, Fabrizio Strino, Gabriele Bonaventura, Maurizio Di Mauro, Maria Luisa Barcellona, Vincenzo Perciavalle, Michele Purrello, Antonio Cianci
PROBLEM: Chronic endometritis (CE) is usually asymptomatic and different studies demonstrated the relation with infertility and recurrent pregnancy loss. Altered regulation of protein-encoding genes in CE has been demonstrated, but no evidence about the involvement of microRNAs in the pathology is present in literature. METHOD OF STUDY: In the endometrium from 15 women with CE and 15 healthy women, by RT-qPCR single assays, we investigated some microRNAs targeting IL11, CCL4, IGF1, and IGFBP1, which mRNAs had been found differentially expressed in endometrium of women affected by CE...
April 16, 2018: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29607560/intrauterine-vaccination-induces-a-dose-sensitive-primary-humoral-response-with-limited-evidence-of-recall-potential
#5
Jonathan Alexander Pasternak, Glenn Hamonic, Jill Van Kessel, Colette L Wheler, Michael K Dyck, Heather L Wilson
PROBLEM: Induction of the local mucosal immune system within the reproductive tract is widely considered to be a key component in the development of effective prophylactic vaccines to control the spread of sexually transmitted infections. Here, we examine the capacity of the upper reproductive tract to act as a site of immune induction following. METHOD OF STUDY: Two vaccines formulated with a triple adjuvant combination and either recombinant bovine herpesvirus (tgD) protein or ovalbumin (OVA) were delivered at varying doses to the uterine lumen of rabbits and the resulting immune response evaluated after 32 days...
April 1, 2018: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29603821/lymphocytes-immunotherapy-for-preserving-pregnancy-mechanisms-and-challenges
#6
REVIEW
Hamed Hajipour, Hamid Reza Nejabati, Zeinab Latifi, Kobra Hamdi, Zahra Bahrami-Asl, Amir Fattahi, Mohammad Nouri
Due to the expression of paternal antigens by the embryo, pregnancy is considered as a semi-allograft and so immunological dysregulation is considered as one of the important causes in repeated implantation failure (RIF) and recurrent pregnancy loss (RPL). It has been revealed that lymphocytes immunotherapy (LIT) could be an appropriate approach to prevent pregnancy loss in such patients. Various mechanisms have been suggested for effectiveness of LIT such as enhancing expression of anti-paternal cytotoxic antibodies (APCA), progesterone-induced blocking factor (PIBF), anti-idiotypic antibodies (Ab2), and mixed lymphocyte reaction blocking antibodies (MLR-Bf), as well as reduction in the T helper 1/T helper 2 ratio and deviation in the pattern of cytokines production...
March 31, 2018: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29577513/placental-immune-state-shifts-with-gestational-age
#7
Emma L Lewis, Luz-Jeannette Sierra, Guillermo O Barila, Amy G Brown, Paige M Porrett, Michal A Elovitz
PROBLEM: Placental immunologic functions are implicated in both the maintenance of a healthy pregnancy and the pathogenesis of obstetric complications. Immune populations at the maternal-fetal interface are hypothesized to support fetomaternal tolerance, defend the fetus from infection, and contribute to labor initiation. Despite the many potential roles of placental immune cells in normal and abnormal pregnancy, little is known about placental immune population dynamics over gestation, particularly near parturition...
March 25, 2018: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29577494/placenta-immune-infiltrates-and-perinatal-outcomes
#8
Maide Ozen, Christopher Novak, Irina Burd
Pregnancy is a state of immunotolerance and loss of this immunotolerance may lead to fetal rejection, pregnancy complications, and neonatal complications. Immunobiology of pregnancy is complex and involves unique immune cell populations specific to pregnancy, changes in mucosal immune cells and peripheral immune system, and reciprocal adaptations between the mother and the fetus. The mechanisms required for sustaining a healthy feto-placental barrier and a healthy pregnancy such as activation of regulatory immune responses with a predominance of regulatory T cells lead to immune evasion and propagation of cancer...
March 25, 2018: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29577492/nitric-oxide-synthase-and-oxidative-nitrosative-stress-play-a-key-role-in-placental-infection-by-trypanosoma-cruzi
#9
María Fernanda Triquell, Cintia Díaz-Luján, María Cristina Romanini, Juan Carlos Ramirez, Patricia Paglini-Oliva, Alejandro Gabriel Schijman, Ricardo Emilio Fretes
PROBLEM: The innate immune response of the placenta may participate in the congenital transmission of Chagas disease through releasing reactive oxygen and nitrogen intermediates. METHOD OF STUDY: Placental explants were cultured with 1 × 106 and 1 × 105 trypomastigotes of Tulahuen and Lucky strains and controls without parasites, and with the addition of nitric oxide synthase inhibitor Nω-Nitro-l-arginine methyl ester (l-NAME) and N-acetyl cysteine (NAC) as the reactive oxygen species (ROS) scavenger...
March 25, 2018: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29577468/maternal-fetal-cross-talk-through-cell-free-fetal-dna-telomere-shortening-microchimerism-and-inflammation
#10
Shi-Bin Cheng, Sarah Davis, Surendra Sharma
There exists a strong correlation between unscheduled inflammation at the maternal-fetal interface and the continuum of pregnancy complications. In normal pregnancy, immunological tolerance is established to protect the semi-allogeneic fetus. There has been extensive research on how the immunity, endovascular trophoblast migration, and hormonal nexus are orchestrated during pregnancy at the maternal-fetal interface to program a normal pregnancy outcome. It is not clear what contributes to the plasticity of uterine immune tolerance, fetal survial, and long-term post-partum health of the mother and the offspring...
March 25, 2018: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29533498/eukaryotic-initiation-factor-5a-and-ca-2-calmodulin-dependent-protein-kinase-1d-modulate-trophoblast-cell-function
#11
Xiaoli Qin, Yan Liang, Yuna Guo, Xiaorui Liu, Weihong Zeng, Fan Wu, Yi Lin, Yan Zhang
PROBLEM: Trophoblast cells regulate embryo implantation and placental development. Eukaryotic initiation factor 5A (eIF5A) is an initiator of translation involved in cellular processes, such as migration, proliferation, and apoptosis. However, the function of eIF5A in trophoblast cells is unknown. METHOD OF STUDY: We inhibited eIF5A and Ca2+ /calmodulin-dependent protein kinase 1D (CAMK1D) expression in HTR8 cells using RNA interference. The effects of eIF5A and CAMK1D on HTR8 cells were investigated using real-time polymerase chain reaction, Western blotting, flow cytometry, cell transfection assays, cell migration assays, and terminal deoxynucleotidyl transferase dUTP nick-end labeling...
March 13, 2018: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29533494/immune-biomarkers-and-anti-hiv-activity-in-the-reproductive-tract-of-sexually-active-and-sexually-inactive-adolescent-girls
#12
Mimi Ghosh, Mariel Jais, Roshni Biswas, Jason Jarin, Jason Daniels, Christopher Joy, Monika Juzumaite, Vanessa Emmanuel, Veronica Gomez-Lobo
PROBLEM: Adolescent girls are disproportionately affected by the HIV/AIDS pandemic, accounting for 22% of all new HIV infections globally. Yet little is known regarding the immune microenvironment of the adolescent female reproductive tract, especially regarding differences among sexually active and inactive girls, a critical parameter to evaluate HIV susceptibility associated with young age and sexual debut. METHODS: Cervico-vaginal lavage (CVL) was collected from sexually active (10) and inactive (8) girls aged 11-19 years and analyzed by ELISA for inflammation-associated biomarkers IL-6, IL-8, TNF-α, MIP-3α, IL-1α, IL-1β, matrix metalloproteinases (MMP) 1, 2, 7, 8, and 9, as well as anti-HIV mediators, Elafin, SLPI, human beta-defensin 2, and tissue inhibitor of matrix metalloproteinases (TIMP) 1 and 2...
March 13, 2018: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29528174/stress-anxiety-and-depression-of-both-partners-in-infertile-couples-are-associated-with-cytokine-levels-and-adverse-ivf-outcome
#13
Florina Haimovici, Janis L Anderson, Gordon W Bates, Catherine Racowsky, Elizabeth S Ginsburg, Dan Simovici, Raina N Fichorova
PROBLEM: Psychiatric disorders and stress in women have been associated with poor IVF outcome. We hypothesized that both partners in the infertile couples are emotionally affected, and cytokines in both may link psychological to reproductive outcome. METHOD OF STUDY: Forty-five IVF couples completed questionnaires and visual analog scales for stress and psychiatric disorders and had cytokines measured in serum, semen, cervicovaginal, and follicular fluids. Multivariable analyses, t tests, maximum likelihood estimates, Spearman correlation, and data mining were applied...
March 12, 2018: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29520885/maternal-cytomegalovirus-sero-positivity-and-autism-symptoms-in-children
#14
Brooke L Slawinski, Nicole Talge, Brooke Ingersoll, Arianna Smith, Alicynne Glazier, Jean Kerver, Nigel Paneth, Karen Racicot
PROBLEM: Autism spectrum disorder (ASD) is one of the most commonly diagnosed neurodevelopmental disorders in the United States. While ASD can be significantly influenced by genetics, prenatal exposure to maternal infections has also been implicated in conferring risk. Despite this, the effects of several important maternal pathogens, such as cytomegalovirus (CMV) and herpes simplex virus 2 (HSV2), remain unknown. METHOD OF STUDY: We tested whether maternal CMV and/or HSV2 sero-positivity was associated with ASD symptoms in children...
March 9, 2018: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29516628/silencing-of-dedicator-of-cytokinesis-dock180-obliterates-pregnancy-by-interfering-with-decidualization-due-to-blockage-of-nuclear-entry-of-autoimmune-regulator-aire
#15
Jasna Jagan Mohan, Prashanth Narayan, Renjini Ambika Padmanabhan, Selin Joseph, Pradeep G Kumar, Malini Laloraya
PROBLEM: Dedicator of cytokinesis (DOCK 180) involved in cytoskeletal reorganization is primarily a cytosolic molecule. It is recently shown to be nuclear in HeLa cells but its nuclear function is not known. METHOD OF STUDY: The spatiotemporal distribution of DOCK180 in uterus was studied in uterine cytoplasmic and nuclear compartments during the "window of implantation." The functional significance of nuclear DOCK180 was explored by homology modeling, co-immunoprecipitation assays, and mass spectrometric analysis...
March 8, 2018: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29516577/effects-of-prokineticin-2-on-testicular-inflammation-in-rats
#16
Ying Li, Jiaojiao Wang, Lili Yu, Kai Zhao, Biao Chen, Cuiling Li, Fan Yang, Hongfang Yuan, Huiping Zhang
PROBLEM: Prokineticin 2 (PK2), a pro-inflammatory peptide, is highly expressed in primary spermatocytes. However, systematic research on PK2 and testicular inflammation is lacking to date. METHOD OF STUDY: An experimental autoimmune orchitis (EAO) model was established to detect the expression of PK2 and its receptor (prokineticin receptor 1, PKR1) 50 and 80 days after immunization. PK2 siRNA sequence was injected into the rat rete testis to downregulate the expression of PK2...
March 8, 2018: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29516576/immunoperinatology
#17
EDITORIAL
Maide Ozen, Irina Burd
No abstract text is available yet for this article.
March 8, 2018: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29500854/characterization-of-microbiota-in-male-infertility-cases-uncovers-differences-in-seminal-hyperviscosity-and-oligoasthenoteratozoospermia-possibly-correlated-with-increased-prevalence-of-infectious-bacteria
#18
Catarina Monteiro, Patrícia I Marques, Bruno Cavadas, Isabel Damião, Vasco Almeida, Nuno Barros, Alberto Barros, Filipa Carvalho, Sílvia Gomes, Susana Seixas
PROBLEM: Sexually transmitted diseases and other infections of male genitourinary tract are thought to negatively impact reproductive health, affecting semen quality. Despite a possible link between bacteria and infertility, few studies attempted to characterize seminal microbiota in healthy and diseased subjects. METHODS OF THE STUDY: A high-throughput sequencing of 16S ribosomal RNA gene was performed in a cohort of infertility-related cases (N = 89) and controls (N = 29) using a pooled sample approach...
March 3, 2018: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29500850/the-immunophenotype-of-amniotic-fluid-leukocytes-in-normal-and-complicated-pregnancies
#19
Nardhy Gomez-Lopez, Roberto Romero, Yi Xu, Derek Miller, Yaozhu Leng, Bogdan Panaitescu, Pablo Silva, Jonathan Faro, Ali Alhousseini, Navleen Gill, Sonia S Hassan, Chaur-Dong Hsu
PROBLEM: The immune cellular composition of amniotic fluid is poorly understood. Herein, we determined: 1) the immunophenotype of amniotic fluid immune cells during the second and third trimester in the absence of intra-amniotic infection/inflammation; 2) whether amniotic fluid T cells and ILCs display different phenotypical characteristics to that of peripheral cells; and 3) whether the amniotic fluid immune cells are altered in women with intra-amniotic infection/inflammation. METHOD OF STUDY: Amniotic fluid samples (n = 57) were collected from 15 to 40 weeks of gestation in women without intra-amniotic infection/inflammation...
March 3, 2018: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29500844/il-33-st2-axis-affects-the-polarization-and-efferocytosis-of-decidual-macrophages-in-early-pregnancy
#20
Yan-Ran Sheng, Wen-Ting Hu, Chun-Yan Wei, Ling-Li Tang, Yu-Kai Liu, Yu-Yin Liu, Jian-Ping Qiu, Da-Jin Li, Xiao-Yong Zhu
PROBLEM: To explore whether IL-33/ST2 axis modulates the polarization and efferocytosis of decidual macrophages (dMφs). METHOD OF STUDY: The phenotype characteristics of dMφs from both normal pregnant women and recurrent spontaneous abortion (RSA) patients were determined by real-time polymerase chain reaction (RT-PCR) and flow cytometry (FCM). Then, the efferocytosis and expression of IL-33 and its receptor (ST2) in dMφs were analyzed by FCM. Finally, the effects of sST2, a decoy receptor for IL-33 that inhibits the IL-33/ST2 signaling pathway, on the polarization and efferocytosis of dMφs and human macrophage cell line U937 were investigated...
March 3, 2018: American Journal of Reproductive Immunology: AJRI
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